Helicobacter pyloriHelicobacter InfectionsAmoxicillinClarithromycinOmeprazoleAnti-Ulcer AgentsBismuthMetronidazole2-PyridinylmethylsulfinylbenzimidazolesTinidazoleLansoprazoleDrug Therapy, CombinationDuodenal UlcerDyspepsiaAnti-Bacterial AgentsProton Pump InhibitorsPeptic UlcerRanitidineGastritisFurazolidoneGastric MucosaAntacidsBreath TestsRabeprazoleAntitrichomonal AgentsDisease EradicationSulfoxidesPenicillinsStomach NeoplasmsGastroscopyLymphoma, B-Cell, Marginal ZoneStomach UlcerTetracyclineGastritis, AtrophicMetaplasiaUreaseHistamine H2 AntagonistsPyloric AntrumTreatment OutcomeBenzimidazolesGastric AcidOrganometallic CompoundsEndoscopy, GastrointestinalEsomeprazoleEsophagitis, PepticStomachGastroesophageal RefluxLevofloxacinUreaAnti-Infective AgentsPepsinogen AYogurtProspective StudiesOfloxacinDuodenitisEsophagitisPeptic Ulcer HemorrhageDrug Administration ScheduleTreatment FailurePoliomyelitisStomach DiseasesAzithromycinNifuratelDanazolRifabutinHypoproteinemiaEndoscopyPurpura, Thrombocytopenic, IdiopathicDouble-Blind MethodPylorusDrug Resistance, BacterialGastrinsSucralfateFollow-Up StudiesProbioticsTetragastrinRosaceaRecurrencePatient ComplianceAntibodies, BacterialBiopsyPrecancerous ConditionsRandomized Controlled Trials as TopicGastric JuiceParietal Cells, GastricGastrointestinal DiseasesBacterial ProteinsNitroimidazolesLithostathineAnti-Inflammatory Agents, Non-SteroidalPoliovirus Vaccine, OralAnti-Infective Agents, LocalPolypsPoliovirus VaccinesImmunologic TestsDiterpenes, AbietaneDracunculiasisMicrobial Sensitivity TestsAnemia, Iron-DeficiencySmallpox